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Conservation biology
Conservation biology is the protection and management of biodiversity that uses principles and experiences from the biological sciences, from natural resource management, and from the social ... > more -
Desalination
Desalination or desalinization refers to any of several processes that remove the excess salt and other minerals from water in order to obtain fresh water suitable for animal consumption or ... > more -
Infiltration (hydrology)
Infiltration is the process by which water on the ground surface enters the soil. Infiltration is governed by two forces, gravity, and capillary action. While smaller pores offer greater resistance ... > more -
Combustion
Combustion or burning is a complex sequence of chemical reactions between a fuel and an oxidant accompanied by the production of heat or both heat and light in the form of either a glow or flames. ... > more -
Slash and burn
Slash and burn (a specific practice that may be part of shifting cultivation or swidden-fallow agriculture) is an agricultural procedure widely used in forested areas. Although it was practised ... > more -
Activated carbon
Activated carbon (also called activated charcoal) is the more general term which includes carbon material mostly derived from charcoal. It denotes a material which has an exceptionally high surface ... > more -
Evaporation
Evaporation is one of the two forms of vaporization. It is the process whereby atoms or molecules in a liquid state (or solid state if the substance sublimes) gain sufficient energy to enter the ... > more -
Biodiversity
Biodiversity or biological diversity is the diversity of life. There are a number of definitions and measures of biodiversity. Biodiversity is commonly identified at three levels. First there is ... > more -
Polychlorinated biphenyl
Polychlorinated biphenyls (PCBs) are a class of organic compounds with 1 to 10 chlorine atoms attached to biphenyl. Although the physical and chemical properties vary widely across the class, PCBs ... > more -
Wind Energy
Energy and the Environment
Renewable Energy
Electricity
Environmental Science
Energy Technology
Wind turbine
A wind turbine is a machine for converting the mechanical energy in wind into electrical energy. If the mechanical energy is used directly by machinery, such as a pump or grinding stones, the machine ... > more
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